248305915

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 356878368

約数和(自身を除く): 108572453

約数列:

[1, 5, 11, 13, 55, 65, 121, 131, 143, 241, 605, 655, 715, 1205, 1441, 1573, 1703, 2651, 3133, 7205, 7865, 8515, 13255, 15665, 15851, 18733, 29161, 31571, 34463, 79255, 93665, 145805, 157855, 172315, 206063, 347281, 379093, 410423, 1030315, 1736405, 1895465, 2052115, 3820091, 4514653, 19100455, 22573265, 49661183, 248305915]

約数ペア:

[(1, 248305915), (5, 49661183), (11, 22573265), (13, 19100455), (55, 4514653), (65, 3820091), (121, 2052115), (131, 1895465), (143, 1736405), (241, 1030315), (605, 410423), (655, 379093), (715, 347281), (1205, 206063), (1441, 172315), (1573, 157855), (1703, 145805), (2651, 93665), (3133, 79255), (7205, 34463), (7865, 31571), (8515, 29161), (13255, 18733), (15665, 15851)]